Exposure
- ID
- GRAVI.2022-05-20T04:20:32.527_2
- Header ID
- GRAVI.2022-05-20T04:20:32.527
- Date updated
- 2022-05-20 04:35:29 UTC+0000
- Release date
- 2022-05-20 04:20:32 UTC+0000
- UTC Start
- 2022-05-20 04:20:32.527
- UTC End
- 2022-05-20 04:25:52.527
- MJD Start
- 59719.18093202
- MJD End
- 59719.1846357237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0068305
- Ambient temperature (°C)
- 13.16
- Seeing (arcsec)
- 0.555
Observation
- ID
- 50945
- Category
- calibrator
- Program ID
- 109.22ZA.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3280 | 56.3450 | 8.8000 | 9.6000 |
| U1-U3 | 101.3460 | 101.4270 | 14.3000 | 15.2000 |
| U1-U4 | 121.5420 | 122.1950 | 40.2530 | 41.3020 |
| U2-U3 | 45.6040 | 45.6810 | 21.1000 | 22.1000 |
| U2-U4 | 79.1640 | 79.9540 | 62.0590 | 63.0480 |
| U3-U4 | 53.7610 | 54.4380 | 95.8120 | 96.4280 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59719.18093202 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.328 |
| HIERARCH ESO ISS PBL12 END | 56.345 |
| HIERARCH ESO ISS PBLA12 START | 8.8 |
| HIERARCH ESO ISS PBLA12 END | 9.6 |
| HIERARCH ESO ISS PBL13 START | 101.346 |
| HIERARCH ESO ISS PBL13 END | 101.427 |
| HIERARCH ESO ISS PBLA13 START | 14.3 |
| HIERARCH ESO ISS PBLA13 END | 15.2 |
| HIERARCH ESO ISS PBL14 START | 121.542 |
| HIERARCH ESO ISS PBL14 END | 122.195 |
| HIERARCH ESO ISS PBLA14 START | 40.253 |
| HIERARCH ESO ISS PBLA14 END | 41.302 |
| HIERARCH ESO ISS PBL23 START | 45.604 |
| HIERARCH ESO ISS PBL23 END | 45.681 |
| HIERARCH ESO ISS PBLA23 START | 21.1 |
| HIERARCH ESO ISS PBLA23 END | 22.1 |
| HIERARCH ESO ISS PBL24 START | 79.164 |
| HIERARCH ESO ISS PBL24 END | 79.954 |
| HIERARCH ESO ISS PBLA24 START | 62.059 |
| HIERARCH ESO ISS PBLA24 END | 63.048 |
| HIERARCH ESO ISS PBL34 START | 53.761 |
| HIERARCH ESO ISS PBL34 END | 54.438 |
| HIERARCH ESO ISS PBLA34 START | 95.812 |
| HIERARCH ESO ISS PBLA34 END | 96.428 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007243 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006418 |
| HIERARCH ESO ISS AMBI TEMP | 13.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |